Home / 27,217.08-37,561.74-15,281.20

Finding the Fourth Proportional to 27,217.08, 37,561.74 and 15,281.20

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Solution

The fourth proportional to 27,217.08, 37,561.74 and 15,281.20 is: 21,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.08 : 37,561.74 = 15,281.20 : x
  2. Step 2: Convert to fraction form
    27,217.08/37,561.74 = 15,281.20/x
  3. Step 3: Cross multiply
    27,217.08x = 37,561.74 × 15,281.20
  4. Step 4: Simplify right side
    27,217.08x = 573,988,461.29
  5. Step 5: Solve for x
    x = 573,988,461.29/27,217.08
  6. Step 6: Final answer
    x = 21,089.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.